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AN363C624 — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.453 INCHES NOMINAL IN, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-059-9264, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AN363C624
NSN: 5310-00-059-9264
FSC: 5310
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.453 INCHES NOMINAL IN
temp_rating550.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
precious_materialSILVER
surface_treatmentSILVER OVERALL
width_across_flats0.563 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
NSN5310-00-059-9264
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN363C624 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.318 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
COUNTERSINK ANGLE: 88.0 DEGREES NOMINAL NUT
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.375 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.318 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
BEARING SURFACE FINISH125.0 MICROINCHES
LUBRICATIONDRY FILM LUBRICANT
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS51922-22Interchangeable
interchangeable cross-reference
interchangeable
XX004-7406Interchangeable
interchangeable cross-reference
interchangeable
MILN25027Interchangeable
interchangeable cross-reference
interchangeable
N25027Interchangeable
interchangeable cross-reference
interchangeable
10121909Interchangeable
interchangeable cross-reference
interchangeable
MS21045C06Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN363C624?
AN363C624 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace AN363C624?
There are 13 known substitutes for AN363C624: MS51922-22, XX004-7406, MILN25027 and 10 more. Substitute compatibility should be verified for your specific system.
Is AN363C624 still available?
AN363C624 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026